https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80401
Bug ID: 80401 Summary: [7 regression] gcc.target/powerpc/dimode_off.c and gcc.target/powerpc/pr79038-1.c fail starting with r246764 Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: seurer at gcc dot gnu.org Target Milestone: --- The failing tests are looking for specific assembler instructions (or lack of them) and the revision changed lots of generated code sequences. For instance, in dimode_off it changes addi 9,3,32767 std 4,0(9) to mtvsrd 0,4 stfd 0,32767(3) Executing on host: /home/seurer/gcc/build/gcc-test/gcc/xgcc -B/home/seurer/gcc/build/gcc-test/gcc/ -fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -fno-align-functions -mtraceback=no -save-temps -ffat-lto-objects -c -o dimode_off.o /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.target/powerpc/dimode_off.c (timeout = 300) spawn /home/seurer/gcc/build/gcc-test/gcc/xgcc -B/home/seurer/gcc/build/gcc-test/gcc/ -fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -fno-align-functions -mtraceback=no -save-temps -ffat-lto-objects -c -o dimode_off.o /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.target/powerpc/dimode_off.c PASS: gcc.target/powerpc/dimode_off.c (test for excess errors) size is size Executing on host: size dimode_off.o (timeout = 300) spawn size dimode_off.o text data bss dec hex filename 440 0 0 440 1b8 dimode_off.o text size is 440 PASS: gcc.target/powerpc/dimode_off.c object-size text == 440 FAIL: gcc.target/powerpc/dimode_off.c scan-assembler-not (st|l)fd Executing on host: /home/seurer/gcc/build/gcc-test/gcc/xgcc -B/home/seurer/gcc/build/gcc-test/gcc/ /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.target/powerpc/pr79038-1.c -fno-diagnostics-show-caret -fdiagnostics-color=never -mcpu=power9 -O2 -mfloat128 -ffat-lto-objects -S -o pr79038-1.s (timeout = 300) spawn /home/seurer/gcc/build/gcc-test/gcc/xgcc -B/home/seurer/gcc/build/gcc-test/gcc/ /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.target/powerpc/pr79038-1.c -fno-diagnostics-show-caret -fdiagnostics-color=never -mcpu=power9 -O2 -mfloat128 -ffat-lto-objects -S -o pr79038-1.s PASS: gcc.target/powerpc/pr79038-1.c (test for excess errors) FAIL: gcc.target/powerpc/pr79038-1.c scan-assembler \\mlxsi[bh]zx\\M PASS: gcc.target/powerpc/pr79038-1.c scan-assembler \\mvexts[bh]2d\\M PASS: gcc.target/powerpc/pr79038-1.c scan-assembler-not \\mextsb\\M FAIL: gcc.target/powerpc/pr79038-1.c scan-assembler-not \\ml[bh][az]\\M FAIL: gcc.target/powerpc/pr79038-1.c scan-assembler-not \\mmtvsrw[az]\\M